Traitement du Signal Audio & ML sur Mesure - Hidacs Sàrl

Experts en Analyse Audio et Machine Learning

Hidacs Sàrl développe des APIs, scripts et logiciels audio sur mesure pour entreprises et startups. Traitement du signal, analyse acoustique, machine learning : nous créons des solutions intelligentes adaptées à vos besoins spécifiques. Notre expertise combine un PhD en traitement du signal audio (EPFL), une expérience Senior Audio Engineer chez Microsoft, et 10+ ans de développement de systèmes audio ML en production.

Traitement du Signal Audio & ML :

Agents & Modèles IA sur Mesure

Notre équipe développe des agents IA et modèles d'intelligence artificielle personnalisés pour automatiser et optimiser vos processus métier. De la conception au MVP market-ready, nous fournissons des services d'ingénierie IA complets qui s'intègrent parfaitement à vos systèmes existants.

Capacités IA :

Data Analyse Avancée

Transformez vos données en insights actionnables avec nos algorithmes de machine learning avancés. Nous créons des solutions d'analyse qui révèlent des patterns cachés et optimisent vos processus de décision.

Services d'Analyse :

Prototypage Rapide & Proof-of-Concept

Accélérez votre innovation avec notre expertise en prototypage rapide. Nous aidons les entrepreneurs et entreprises à valider leurs idées techniques et à éviter les erreurs coûteuses sur le chemin vers le marché.

Services de Prototypage :

Expertise Académique & Publications

Notre expertise s'appuie sur un PhD en traitement du signal audio (EPFL), une expérience de Senior Audio Engineer chez Microsoft, et 10+ ans de développement de systèmes audio ML en production.

Domaines de Recherche :

Profils Académiques :

Hidacs Sàrl
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Interactive Acoustic Workshops

Turnkey modules for museums, exhibitions and events

Hidacs designs and manufactures interactive acoustic experiences — standalone modules where visitors manipulate, observe and understand sound through hands-on experimentation. Each module is designed to be installed in a few hours, withstand heavy use, and captivate all ages. Our modules combine scientific rigor with playful engagement.

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PlaqueArchetMotif de sable
Module 1

Chladni Figures— «Draw with sound»

An iconic installation that requires no electrical power in its basic version. The visitor runs a bow across a plate dusted with fine sand and watches geometric patterns emerge. High visual and photographic potential. Very robust, minimal maintenance.

Footprint
80 × 80 cm
Height
100 cm
Power supply
Aucune / 230V
Setup time
30 min
Throughput
~60 visiteurs/h
Noise level
Faible
Science museumTemporary exhibitionSchoolEvent
FFT temps réelMicroRaspberry PiÉcran
Module 2

Real-Time Spectrogram— «Paint with your voice»

A compact module with high visual impact. A microphone captures the visitor's voice, a Raspberry Pi computes the spectrogram in real time, and the screen displays a scrolling cascade of colors. Setup in 1 hour, no consumables. Naturally attracts visitors from afar.

Footprint
60 × 40 cm + écran
Height
120 cm + écran
Power supply
230V (1 prise)
Setup time
1h
Throughput
~80 visiteurs/h
Noise level
Moyen
Science museumTemporary exhibitionSchoolEvent
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Module 3

Fourier Wheel— «Sculpt the sound»

A physical and engaging installation — the visitor acts with their whole body. A wheel with a handle is mounted on a rotary encoder. The motion is analyzed via FFT and displayed as a frequency spectrum. Robust mechanical structure, designed for heavy use.

Footprint
120 × 80 cm
Height
140 cm
Power supply
230V (1 prise)
Setup time
2h
Throughput
~40 visiteurs/h
Noise level
Faible
Science museumSchool
GravesMédiumsAigusPBPHBPFréquencedBFaders physiquesSpectre temps réel
Module 4

Filters & Equalization— «Sculpt the spectrum»

A tilted table styled like a mixing console with motorized faders. A source sound loops continuously while the visitor sculpts the spectrum in real time. Strong appeal for teenagers. Familiar interface, instant pick-up.

Footprint
100 × 60 cm
Height
90 cm
Power supply
230V (1 prise)
Setup time
1h30
Throughput
~50 visiteurs/h
Noise level
Moyen
Science museumTemporary exhibitionSchool
Casque binauralSources virtuelles
Module 5

Binaural Listening— «Head in the sound»

An individual listening station with very high emotional impact. Quality headphones and a simple interface let visitors navigate between 3-5 progressive binaural demos. Almost zero footprint, ideal for filling a space or creating a quiet moment.

Footprint
60 × 60 cm
Height
120 cm + assise
Power supply
230V / batterie
Setup time
30 min
Throughput
~30 visiteurs/h
Noise level
Silencieux
Science museumTemporary exhibitionEventSchool
DSP temps réelMicroEffets aléatoiresHaut-parleur
Module 6

Sound Effects— «Crazy studio»

A module designed for ages 3-7 but fun for everyone. A standing microphone, a speaker, zero interface — the child speaks, the effect is applied automatically. Random switching creates surprise. Perfect at the start of a tour to break the ice.

Footprint
50 × 50 cm
Height
80–120 cm
Power supply
230V (1 prise)
Setup time
30 min
Throughput
~100 visiteurs/h
Noise level
Élevé
Science museumTemporary exhibitionEventSchool
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Module 7

ML Classification— «Duel against AI»

A showcase module for artificial intelligence applied to sound. Four screens display the full pipeline: raw signal, spectrogram, Grad-CAM, classification scores. Duel mode with leaderboard. AI/tech angle highly sought after for contemporary exhibitions.

Footprint
200 × 60 cm
Height
130 cm + écrans
Power supply
230V (2 prises)
Setup time
2h
Throughput
~40 visiteurs/h
Noise level
Moyen
Science museumTemporary exhibition
97 dBLeaderboard105 dB101 dB97 dBCabine isoléeMicroLeaderboard
Module 8

The Scream— «Scream your lungs out»

The most viral module in the range. Designed for maximum engagement and instant social media potential. Acoustically isolated booth so it doesn't disturb the rest of the exhibition. Daily leaderboard that drives competition.

Footprint
150 × 150 cm
Height
220 cm
Power supply
230V (1 prise)
Setup time
3–4h
Throughput
~40 visiteurs/h
Noise level
~30 dB isolation
Science museumTemporary exhibitionEvent
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Module 9

Voice Print— «Your voice is unique»

A dual-value module — educational and commercial. The algorithm extracts vocal biomarkers and generates a unique QR code. The visitor leaves with a personalized souvenir. Direct revenue source when coupled with a gift shop.

Footprint
60 × 40 cm
Height
130 cm
Power supply
230V (1 prise)
Setup time
1h
Throughput
~50 visiteurs/h
Noise level
Faible
Consumable
Rouleau papier thermique
Science museumTemporary exhibitionEventSchool
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Module 10

Voice Cloning— «Talk like dad»

The most emotionally powerful module in the range. Works in pairs. The companion records a short vocal sample, then the child speaks and hears themselves transformed. Integrated panel on audio deepfakes and AI ethics.

Footprint
100 × 60 cm
Height
130 cm
Power supply
230V + mini PC GPU
Setup time
2h
Throughput
~25 visiteurs/h
Noise level
Faible
Science museumTemporary exhibition
Bébé qui pleureSON62%BRUIT38%SONBRUITBoutons physiquesHistogramme temps réel
Module 11

Acoustic Pollution— «Sound or Noise?»

An ultra-simple collective voting module — a kiosk, two physical buttons, a speaker and a screen. A sound is played, the visitor votes, and the cumulative histogram updates in real time. Zero friction, instant engagement. Sparks spontaneous debates among visitors.

Footprint
50 × 40 cm
Height
120 cm
Power supply
230V (1 prise)
Setup time
30 min
Throughput
~120 visiteurs/h
Noise level
Moyen
Science museumTemporary exhibitionEventSchoolPublic health

Why Hidacs

Turnkey

Module delivered, installed and calibrated. You plug it in, it works.

Built to last

Robust materials, replaceable components, zero fragile parts exposed.

Rare expertise

Each module is scientifically rigorous AND playfully engaging.

Formats

Rental

500 – 1,500 CHF / week / module

Ideal for

Temporary exhibitions, events, festivals

Includes

Delivery, installation, calibration, pickup

Purchase

On quote

Ideal for

Museums, schools, permanent installations

Includes

Training, technical documentation, 1-year warranty

Bundle

Volume discount from 3 modules

Ideal for

Complete thematic trail

Includes

Suggested scenography, cross-module graphic consistency

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Use Cases

Temporary exhibition "Science of Sound"

5 modules (Chladni + Spectrogram + The Scream + Voice Print + Acoustic Pollution) over 200 m², 3 months, family audience. The Scream as centerpiece, Voice Print at the exit.

Science Week — primary school

3 modules (Sound Effects + Spectrogram + Chladni) in a schoolyard, 5 days. Rotation of classes of 25 students every 45 min.

Science outreach festival

2 modules (The Scream + Voice Print) outdoors under a tent, 2 days. High attraction potential and social media virality.